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10102010220 = 22325291935251
BaseRepresentation
bin10010110100010000…
…00111000101101100
3222002000201021211200
421122020013011230
5131142103311340
64350225045500
7505223445561
oct113210070554
928060637750
1010102010220
114314359885
121b5b186890
13c4cb85c53
146bb918868
153e1d0d330
hex25a20716c

10102010220 has 72 divisors (see below), whose sum is σ = 31699427760. Its totient is φ = 2600976000.

The previous prime is 10102010201. The next prime is 10102010239. The reversal of 10102010220 is 2201020101.

It is an interprime number because it is at equal distance from previous prime (10102010201) and next prime (10102010239).

It is a super-2 number, since 2×101020102202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962406 + ... + 972845.

It is an arithmetic number, because the mean of its divisors is an integer number (440269830).

Almost surely, 210102010220 is an apocalyptic number.

10102010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102010220 is an abundant number, since it is smaller than the sum of its proper divisors (21597417540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10102010220 is a wasteful number, since it uses less digits than its factorization.

10102010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935295 (or 1935290 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10102010220 its reverse (2201020101), we get a palindrome (12303030321).

The spelling of 10102010220 in words is "ten billion, one hundred two million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 348 435 522 580 870 1044 1305 1740 2610 5220 1935251 3870502 5805753 7741004 9676255 11611506 17417259 19352510 23223012 29028765 34834518 38705020 56122279 58057530 69669036 87086295 112244558 116115060 168366837 174172590 224489116 280611395 336733674 348345180 505100511 561222790 673467348 841834185 1010201022 1122445580 1683668370 2020402044 2525502555 3367336740 5051005110 10102010220